using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using CommonBehaviors.Actions;
using Styx;
using Styx.Common.Helpers;
using Styx.CommonBot;
using Styx.CommonBot.Profiles;
using Styx.Pathing;
using Styx.TreeSharp;
using Styx.WoWInternals;
using Styx.WoWInternals.WoWObjects;
using Action = Styx.TreeSharp.Action;

/* This behavior is for killing Thane noobface in Grizzly Hills (Horde 12259 and Alliance 12255) 
		This behavior was developed by Kickazz006
		Code was taken from Shak
		How I used it in this behavior was chop each in half and take the bits that I needed
		Feel free to re-use the code to your liking (anyone else)
	*/

namespace QuestBehaviors.SpecificQuests.Kalimdor.Darkshore
{
	[CustomBehaviorFileName(@"SpecificQuests\Kalimdor\Darkshore\13512-StrategicStrikes")]
	public class StrategicStrikes : CustomForcedBehavior
	{
		public StrategicStrikes(Dictionary<string, string> args)
			: base(args)
		{
			try
			{
				KillSheya = GetAttributeAsNullable<bool>("KillSheya", false, null, null) ?? true;
				KillLorenth = GetAttributeAsNullable<bool>("KillLorenth", false, null, null) ?? false;
				QuestId = 13512;
				QuestRequirementComplete = GetAttributeAsNullable<QuestCompleteRequirement>("QuestCompleteRequirement", false, null, null) ?? QuestCompleteRequirement.NotComplete;
				QuestRequirementInLog = GetAttributeAsNullable<QuestInLogRequirement>("QuestInLogRequirement", false, null, null) ?? QuestInLogRequirement.InLog;
			}

			catch (Exception except)
			{
				// Maintenance problems occur for a number of reasons.  The primary two are...
				// * Changes were made to the behavior, and boundary conditions weren't properly tested.
				// * The Honorbuddy core was changed, and the behavior wasn't adjusted for the new changes.
				// In any case, we pinpoint the source of the problem area here, and hopefully it
				// can be quickly resolved.
				LogMessage("error", "BEHAVIOR MAINTENANCE PROBLEM: " + except.Message
									+ "\nFROM HERE:\n"
									+ except.StackTrace + "\n");
				IsAttributeProblem = true;
			}
		}

		// Attributes provided by caller
		public bool KillLorenth { get; private set; }
		public bool KillSheya { get; private set; }
		public int QuestId { get; private set; }
		public QuestCompleteRequirement QuestRequirementComplete { get; private set; }
		public QuestInLogRequirement QuestRequirementInLog { get; private set; }

		// Private variables for internal state
		private bool _isBehaviorDone;
		private bool _isDisposed;
		private Composite _root;

		// Private properties
		private int Counter { get; set; }
		private LocalPlayer Me { get { return (StyxWoW.Me); } }

		static readonly WaitTimer MoveTimer = WaitTimer.OneSecond;
		private static readonly WaitTimer Timer = new WaitTimer(TimeSpan.FromSeconds(3));

		public WoWPoint KillLocation
		{
			get
			{
				if (KillSheya)
				{
					return new WoWPoint(7345.96f, -942.14f, 16.92f);
				}

				return new WoWPoint(7102.91f, -648.68f, 61.13f);
			}
		}

		public WoWUnit KillUnit
		{
			get
			{
				if (KillSheya)
				{
					return (ObjectManager.GetObjectsOfType<WoWUnit>()
						.Where(u => 32869 == u.Entry && !u.IsDead)
						.OrderBy(u => u.Distance).FirstOrDefault());
				}

				return (ObjectManager.GetObjectsOfType<WoWUnit>()
									 .Where(u => 32868 == u.Entry && !u.IsDead)
									 .OrderBy(u => u.Distance).FirstOrDefault());
			}
		}

		public WoWItem Item { get { return Me.CarriedItems.FirstOrDefault(i => i.Entry == 44995 && i.Cooldown == 0); } }

		// DON'T EDIT THESE--they are auto-populated by Subversion
		public override string SubversionId { get { return ("$Id: 13512-StrategicStrikes.cs 501 2013-05-10 16:29:10Z chinajade $"); } }
		public override string SubversionRevision { get { return ("$Revision: 501 $"); } }

		~StrategicStrikes()
		{
			Dispose(false);
		}

		public void Dispose(bool isExplicitlyInitiatedDispose)
		{
			if (!_isDisposed)
			{
				// NOTE: we should call any Dispose() method for any managed or unmanaged
				// resource, if that resource provides a Dispose() method.

				// Clean up managed resources, if explicit disposal...
				if (isExplicitlyInitiatedDispose)
				{
					// empty, for now
				}

				// Clean up unmanaged resources (if any) here...
				TreeRoot.GoalText = string.Empty;
				TreeRoot.StatusText = string.Empty;

				// Call parent Dispose() (if it exists) here ...
				base.Dispose();
			}

			_isDisposed = true;
		}
		
		public bool IsQuestComplete()
		{
			var quest = StyxWoW.Me.QuestLog.GetQuestById((uint)QuestId);
			return quest == null || quest.IsCompleted;
		}
		
		public Composite DoneYet
		{
			get
			{
				return
					new Decorator(ret => IsQuestComplete(), new Action(delegate
					{
						TreeRoot.StatusText = "Finished!";
						_isBehaviorDone = true;
						return RunStatus.Success;
					}));
			}
		}

		#region Overrides of CustomForcedBehavior

		protected override Composite CreateBehavior()
		{
			return _root ?? (_root = new Decorator(ret => !_isBehaviorDone,
				new PrioritySelector(
					DoneYet,
					new Decorator(ret => KillUnit == null,
						new Action(ret => TreeRoot.StatusText = String.Format("Waiting for {0} to Spawn", KillSheya ? "Sheya" : "Lorenth"))),

					new Decorator(ret => StyxWoW.Me.HasAura("Unstable Lightning Blast") && Timer.IsFinished,
						new Sequence(
							new Action(ret => Timer.Reset()),
							new Action(ret => MoveTimer.Reset()),
							new Action(ret => WoWMovement.Move(WoWMovement.MovementDirection.StrafeLeft)))),

					new Decorator(ret => (StyxWoW.Me.IsMoving && KillSheya) || (StyxWoW.Me.IsMoving && !KillSheya && MoveTimer.IsFinished),
							new Sequence(
								new Action(ret => WoWMovement.MoveStop()),
								new ActionAlwaysSucceed())),

					new Decorator(
							ret => KillUnit != null && KillUnit.Location.Distance(KillLocation) > 5,
							new Sequence(
								new Action(ret => _isBehaviorDone = true),
								new ActionAlwaysSucceed())),

					new Decorator(
							ret => KillUnit != null && KillUnit.Location.Distance(KillLocation) < 5 && Item != null,
							new Sequence(
								new Action(ret => KillUnit.Target()),
								new Action(ret => StyxWoW.SleepForLagDuration()),
								new Action(ret => 
								{
									if (Me.Location.Distance(KillUnit.Location) >= 30 && !KillSheya)
										Navigator.MoveTo(KillLocation);
									Item.UseContainerItem();
								}),
								new ActionAlwaysSucceed())),

					new ActionAlwaysSucceed()
			)));
		}

		public override void Dispose()
		{
			Dispose(true);
			GC.SuppressFinalize(this);
		}


		public override bool IsDone
		{
			get
			{
				return (_isBehaviorDone	 // normal completion
						|| !UtilIsProgressRequirementsMet(QuestId, QuestRequirementInLog, QuestRequirementComplete));
			}
		}


		public override void OnStart()
		{
			// This reports problems, and stops BT processing if there was a problem with attributes...
			// We had to defer this action, as the 'profile line number' is not available during the element's
			// constructor call.
			OnStart_HandleAttributeProblem();

			// If the quest is complete, this behavior is already done...
			// So we don't want to falsely inform the user of things that will be skipped.
			if (!IsDone)
			{
				if (TreeRoot.Current != null && TreeRoot.Current.Root != null && TreeRoot.Current.Root.LastStatus != RunStatus.Running)
				{
					var currentRoot = TreeRoot.Current.Root;
					if (currentRoot is GroupComposite)
					{
						var root = (GroupComposite)currentRoot;
						root.InsertChild(0, CreateBehavior());
					}
				}


				PlayerQuest quest = StyxWoW.Me.QuestLog.GetQuestById((uint)QuestId);

				TreeRoot.GoalText = GetType().Name + ": " + ((quest != null) ? quest.Name : "In Progress");
			}
		}

		#endregion
	}
}